Multitester tested for voltage. This is a voltage EQUIVALENT wall mount version for the BROTHER voltage regulator, power supply, powersupply, inverter, adaptor. Please check your device compatibility before bidding. Questions are encouraged. AC input 120V (ordinary household wall plug outlet). Amperage can be higher, but never lower. Round barrel connector plug. Photo is generic. Shape, size or color may differ from auction photo. Special heavy wrapping is provided to protect the prongs. S H in the contiguous USA is $8.(insured shipping). Please see other interesting items by JGrit USPS DELIVERY TIME: As stated in the item listing, seller will drop-off your item to the USPS within 5 days of receiving cleared payment. How long it takes to deliver to your door is strictly within USPS control and not within the control of seller. Please leave 5 stars for seller 5 day drop-off time. WARNING: Please be aware there are three possible voltages for your model machine depending on which production run it was manufactured. It can be 9v or 7.5v or any voltage from 10v up to 14v. Please determine your machines voltage before purchase. Questions are encouraged.